ZF 6HP26: A torque calculation error
A 2008 Lincoln Navigator with a ZF 6HP26 transmission arrives at Holcomb’s Transmissions in limp. When checked for codes, a P1719 comes up for “Inaccurate Engine Torque Signal.” The TCM receives this over the CAN, causing it to initiate failsafe. The information Ford provides for this code is vague. The Action step provided is to
Another needle in a haystack: Locating wiring problems
Paul Loch from Certified Transmission wrote a very good and detailed article for Transmission Digest in the March 2022 issue entitled “A Needle in a Haystack – Finding and Diagnosing Intermittent Problems.” The vehicle used for this article was a 2013 Ram 3500 6.7L equipped with a 68RFE transmission. Well worth the read. ATSG encountered
Breaking parts: Pressure regulator valve and bore blues
One of our ATSG members, Bob at Trans Tek, recently shared with us an experience he encountered with a 2011 GMC 3500 Mini School Bus with a Duramax diesel engine in front of a 6L90 transmission. It came in to the shop slipping, along with having no second or sixth gear. After the transmission was
Shift pointers: A 4T65-E that wants to move in Park and Neutral
When conducting ATSG seminars, as we are usually covering a specific piece of tech, we’ll often tell attendees that if they put this together wrong, they should let us know what happens. Just recently, Ricky Hodgkinson from AACTION Transmission did just that. He was kind enough to share an incident he recently had with a
Transmission slipping in fifth gear: An elusive cause of a common problem
Sometimes, finding the cause of a complaint isn’t as straightforward as one would expect; sometimes, these causes can be very elusive.
FCA 62TE missing caged needle bearing
The complaint When the Low Clutch Housing is removed from the Underdrive Center Shaft of a 62TE transmission, one notices that the caged needle bearing located on the shaft between the sealing rings was missing (Figure 1, above). The cause A running change was made in 2010 where this caged needle bearing was eliminated. When
A 3D printing solution for 948TE offset pump access
The Chrysler 948TE has an offset pump mounted in a housing that is retained by round internal snap ring that must be squeezed to release the pump from the housing (seen in Figure 1). The difficulty in doing so: there is a double tension plate located at the bottom side of the pump (Figure 2).
ATSG Joins Training Lineup at AAPEX 2022
For the first time, attendees at AAPEX 2022 will have access to training by the Automatic Transmission Service Group (ATSG), an authority on transmission technical support and repair. On Nov. 1, Wayne Colonna, ATSG President/ETE Reman Director of Quality, will present, “Is It the Transmission or Not?” The four-hour presentation will cover transmission malfunctions and
Japanese CVT no-move conditions: Failsafe or defective TCM?
The Japanese Automatic Transmission Company produces a continuously variable transmission (CVT) known as the JF016/17E, which has been fitted behind 2.0L to 3.5L engines worldwide. Here in the United States, there is a light version called the CVT-8LT for 4 cylinder applications (JF016E) and a heavier version called the CVT-8HT for V-6 applications (JF017E). Nissan
ATSG offers 10R80 transmission manual
ATSG has announced the availability of a new 10R80 TechTran Manual in its bookstore. The Ford 10R80 transmission was co-engineered by Ford and General Motors, and introduced for the 2017 model year. The 10R80 can be found behind the 2.7, 3.0, 3.5, or 5.0-liter engines in a number of Ford cars and trucks. The 10R80
Hybrids and CVTs: Nissan RE0F03H (JF019E)
The Background Beginning with the 2017 model year, Nissan introduced a hybrid version of the Rogue with the RE0F03H CVT transmission behind a 2.0 L engine. Infiniti also produced a hybrid version of this transmission in the QX60 behind a 2.5 L engine. The Jatco designation for this transmission is the JF019E, which is a
ATSG in-person seminar announced
Transmission aftermarket support and training organization ATSG announced that in-person seminars are resuming. The first of these sessions is scheduled for the Moose Lodge in Merritt Island, Florida, on June 25 and will feature veteran seminar trainers Wayne Colonna (who is also TD Technical Editor, pictured right) and Pete Luban (left). For sign-up and more information,
